Home / 3,018.12-4,524.75-1,287.96

Finding the Fourth Proportional to 3,018.12, 4,524.75 and 1,287.96

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Solution

The fourth proportional to 3,018.12, 4,524.75 and 1,287.96 is: 1,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.12 : 4,524.75 = 1,287.96 : x
  2. Step 2: Convert to fraction form
    3,018.12/4,524.75 = 1,287.96/x
  3. Step 3: Cross multiply
    3,018.12x = 4,524.75 × 1,287.96
  4. Step 4: Simplify right side
    3,018.12x = 5,827,697.01
  5. Step 5: Solve for x
    x = 5,827,697.01/3,018.12
  6. Step 6: Final answer
    x = 1,930.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.